4x+7-x=12

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Solution for 4x+7-x=12 equation:


Simplifying
4x + 7 + -1x = 12

Reorder the terms:
7 + 4x + -1x = 12

Combine like terms: 4x + -1x = 3x
7 + 3x = 12

Solving
7 + 3x = 12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 3x = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 12 + -7
3x = 12 + -7

Combine like terms: 12 + -7 = 5
3x = 5

Divide each side by '3'.
x = 1.666666667

Simplifying
x = 1.666666667

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